Year	annual % growth
1971	4.93447607347106
1972	4.66965001703133
1973	5.170492684352553
1974	4.313772112139347
1975	4.788017257949775
1976	3.056375190271112
1977	2.439539497646564
1978	2.6680865172038466
1979	3.2169306341879462
1980	2.877563660460723
1981	1.6577595920936687
1982	0.6543566393100093
1983	0.8313959542052487
1984	1.6233073832414107
1985	2.7265168686985106
1986	4.01047888403329
1987	5.8199633161652145
1988	5.54862590126308
1989	5.647963970400795
1990	4.47495322799665
1991	6.241793563812976
1992	-0.9371425072854436
1993	2.8981262342653906
1994	3.200849013866474
1995	2.636550896890384
1996	2.53165579901804
1997	3.305165430599928
1998	4.669330187730125
1999	5.315832668969307
2000	4.715201739836019
2001	4.24932571012728
2002	4.649425553537327
2003	2.4124434346509247
2004	1.753971438649728
2005	0.5152357286600733
2006	2.904640972966675
2007	1.7931722242813066
2008	2.624764964126115
2009	3.00131895141584
2010	3.462868381058115
2011	2.014708844732212
2012	2.879372297669562
2013	1.825512319246343
2014	2.396083737814081
2015	2.6795010075215657
2016	2.6171362599251466
2017	3.3221063978317744
2018	3.550654505635052
2019	2.616715193980852
2020	-3.1341850974759353
2021	8.98028168699551
2022	2.4155906445630677
2023	3.4833344353516082